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Improve EXPLAIN ANALYZE to show the time spent in each trigger when

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executing a statement that fires triggers.  Formerly this time was
included in "Total runtime" but not otherwise accounted for.
As a side benefit, we avoid re-opening relations when firing non-deferred
AFTER triggers, because the trigger code can re-use the main executor's
ResultRelInfo data structure.
This commit is contained in:
Tom Lane
2005-03-25 21:58:00 +00:00
parent 08890b407e
commit adb1a6e95b
16 changed files with 403 additions and 143 deletions
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4
src/include/executor/instrument.h
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@@ -6,7 +6,7 @@
*
* Copyright (c) 2001-2005, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/include/executor/instrument.h,v 1.9 2005/03/20 22:27:52 tgl Exp $
* $PostgreSQL: pgsql/src/include/executor/instrument.h,v 1.10 2005/03/25 21:57:59 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -70,7 +70,7 @@ typedef struct Instrumentation
double nloops; /* # of run cycles for this node */
} Instrumentation;
extern Instrumentation *InstrAlloc(void);
extern Instrumentation *InstrAlloc(int n);
extern void InstrStartNode(Instrumentation *instr);
extern void InstrStopNode(Instrumentation *instr, bool returnedTuple);
extern void InstrEndLoop(Instrumentation *instr);